Table 3 Top frequent keywords significantly Granger-caused the COVID-19 positivity trends
Keywords | Total frequency | Regions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
AU | CA | GB | IE | IN | JP | SG | US | ZA | ||
Loss of smell | 9 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
Sense of smell | 5 | - | ✓ | ✓ | - | - | ✓ | - | ✓ | ✓ |
Loss of taste | 5 | ✓ | - | ✓ | ✓ | - | - | - | ✓ | ✓ |
Cough | 5 | ✓ | ✓ | ✓ | ✓ | - | - | - | ✓ | - |
Runny nose | 5 | ✓ | ✓ | ✓ | ✓ | - | - | - | ✓ | - |
Shortness of breath | 5 | ✓ | ✓ | ✓ | - | - | - | ✓ | ✓ | - |
Sore | 5 | ✓ | ✓ | - | ✓ | - | - | ✓ | ✓ | - |
Sore throat | 5 | ✓ | ✓ | ✓ | ✓ | - | - | - | ✓ | - |
Stuffy nose | 5 | ✓ | - | ✓ | ✓ | - | - | ✓ | ✓ | - |
Diarrhea | 4 | - | ✓ | ✓ | ✓ | - | - | - | ✓ | - |
Headache | 4 | ✓ | ✓ | ✓ | - | - | - | - | ✓ | - |
Pneumonia | 4 | ✓ | ✓ | ✓ | - | - | - | - | ✓ | - |